Start terminal emulator

cmd/micro/action/termhandler.go

@@ -0,0 +1,66 @@
+package action
+
+import (
+	"github.com/zyedidia/clipboard"
+	"github.com/zyedidia/micro/cmd/micro/display"
+	"github.com/zyedidia/micro/cmd/micro/shell"
+	"github.com/zyedidia/tcell"
+	"github.com/zyedidia/terminal"
+)
+
+type TermHandler struct {
+	*shell.Terminal
+	display.Window
+
+	mouseReleased bool
+}
+
+// HandleEvent handles a tcell event by forwarding it to the terminal emulator
+// If the event is a mouse event and the program running in the emulator
+// does not have mouse support, the emulator will support selections and
+// copy-paste
+func (t *TermHandler) HandleEvent(event tcell.Event) {
+	if e, ok := event.(*tcell.EventKey); ok {
+		if t.Status == shell.TTDone {
+			switch e.Key() {
+			case tcell.KeyEscape, tcell.KeyCtrlQ, tcell.KeyEnter:
+				t.Close()
+			default:
+			}
+		}
+		if e.Key() == tcell.KeyCtrlC && t.HasSelection() {
+			clipboard.WriteAll(t.GetSelection(t.GetView().Width), "clipboard")
+			InfoBar.Message("Copied selection to clipboard")
+		} else if t.Status != shell.TTDone {
+			t.WriteString(event.EscSeq())
+		}
+	} else if e, ok := event.(*tcell.EventMouse); !ok || t.State.Mode(terminal.ModeMouseMask) {
+		t.WriteString(event.EscSeq())
+	} else {
+		x, y := e.Position()
+		v := t.GetView()
+		x -= v.X
+		y += v.Y
+
+		if e.Buttons() == tcell.Button1 {
+			if !t.mouseReleased {
+				// drag
+				t.Selection[1].X = x
+				t.Selection[1].Y = y
+			} else {
+				t.Selection[0].X = x
+				t.Selection[0].Y = y
+				t.Selection[1].X = x
+				t.Selection[1].Y = y
+			}
+
+			t.mouseReleased = false
+		} else if e.Buttons() == tcell.ButtonNone {
+			if !t.mouseReleased {
+				t.Selection[1].X = x
+				t.Selection[1].Y = y
+			}
+			t.mouseReleased = true
+		}
+	}
+}